CVE-2021-21890

CVSS 9.1 CRITICALEPSS 3.0%CWE-121

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.1EPSS 3.0%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

22 Dec 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A stack-based buffer overflow vulnerability exists in the Web Manager FsBrowseClean functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to remote code execution in the vulnerable portion of the branch (deletedir). An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

n/a · Lantronix

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References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1334